Neptune reaches opposition on Sept. 10. Here's how to see it.

Abigail Rosenthal, GateHouse Media

Thursday

Sep 5, 2019 at 2:34 PM

The furthest planet in our solar system reaches opposition on Sept. 10, meaning it will be at its biggest and brightest from its position opposite the sun. But unlike Jupiter earlier this year, Neptune is a little more difficult to spot.

According to NASA, Neptune is the only planet in our solar system not visible to the naked eye. You'll need a telescope to find it in the night sky.

If you have the necessary equipment, you'll be able to find Neptune within the constellation Aquarius. The planet will be very close to star Phi Aquarii starting on Sept. 6.

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Neptune is an average distance of 2.8 billion miles away from the sun. A year on Neptune is about 165 Earth years, or 60,190 Earth days.

This isn't the last planet we'll see in opposition this year. Uranus reaches opposition on Oct. 28.